Registration Dossier
Registration Dossier
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EC number: 209-963-3 | CAS number: 599-04-2
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28.08.2009 - 21.10.2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to guideline under GLP
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Principles of method if other than guideline:
- Not relevant
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- thermal analysis
Test material
- Reference substance name:
- α-hydroxy-β,β-dimethyl-γ-butyrolactone
- EC Number:
- 209-963-3
- EC Name:
- α-hydroxy-β,β-dimethyl-γ-butyrolactone
- Cas Number:
- 599-04-2
- Molecular formula:
- C6H10O3
- IUPAC Name:
- (3R)-3-hydroxy-4,4-dimethyloxolan-2-one
- Reference substance name:
- 209 963 3
- IUPAC Name:
- 209 963 3
- Details on test material:
- - Name of test material (as cited in study report): R-Pantolactone
- Physical state: solid
- Purity: 99.6%
- Storage condition of test material: RT
Constituent 1
Constituent 2
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- 90.4 °C
- Atm. press.:
- 99.2 kPa
Any other information on results incl. tables
No further remarks
Applicant's summary and conclusion
- Conclusions:
- The melting point of R-Pantolactone was determined to be 90.4 °C.
- Executive summary:
The melting point of R-Pantolactone was determined to be 90.4 °C which is equal to 363.6 K
using the thermal analysis (DSC).The atmospheric pressure during the measurements was 99.2 kPa.
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